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CVE

CVE-2026-29191

ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint
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CVE

CVE-2026-29191

ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint

ZITADEL is an open source identity management platform. From version 4.0.0 to 4.11.1, a vulnerability in Zitadel's login V2 interface was discovered that allowed a possible account takeover via XSS in /saml-post Endpoint. This issue has been patched in version 4.12.0.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29191.json, https://github.com/zitadel/zitadel/security/advisories/GHSA-pr34-2v5x-6qjq, https://nvd.nist.gov/vuln/detail/CVE-2026-29191

Severity

9.3

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
9.3
EPSS Probability
0.00018%
EPSS Percentile
0.04769%
Introduced Version
c86c60bab86b64b44755d2776703939c01686055
Fix Available
f360bc52bd5ce35a8aec21870de22a3b38967081

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